Mathematics, 23.10.2020 01:01 19thomasar

In the morning, Marco sold 12 cups of lemonade for $3. By the end of the day, he had earned $9. How many cups of lemonade did he sell in all? Kaycee wrote the proportion StartFraction 12 over 3 EndFraction = StartFraction 9 over c EndFraction for this situation. Identify the error and give two ways to write the proportion correctly.

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In the morning, Marco sold 12 cups of lemonade for $3. By the end of the day, he had earned $9. How...